Method and apparatus for the production of coaldust

Details Method and apparatus for the production of coaldust Method and apparatus for the production of coaldust

1978-10-10

1980-12-02

Favors, Edward G.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

110106, 110232, 110263, 110347, 432 58, F27B 1500

Patent

active

042368863

ABSTRACT:
A method and apparatus for the preparation of coaldust for use with a preheater and a cement calcination apparatus. Exhaust gas from the preheater is mixed with a source of coal and input to a pulverizing mill. The output of the pulverizing mill passes through an air current separator and a cyclone separator. The output of the air-current-separator, a stream of coal gravel, is supplied as a fuel at a calcination point in the calcination apparatus. The exhaust output from the separator provides an input to the cyclone separator which separates coaldust from the gas. The exhaust from the cyclone separator is in part fed-back to a calcination point in the calcination apparatus and is also a part of the stream of gravel. The entire process is closed so that no burnable coaldust is lost to the atmosphere.

REFERENCES:
patent: 4059060 (1977-11-01), Gambs et al.
patent: 4152110 (1979-05-01), Jukkula et al.

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